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HelpTest Code WNVBL West Nile Virus, RNA, PCR, Molecular Detection, Blood
Specimen Required
Container/Tube: Lavender top (EDTA)
Specimen Volume: 1 mL
Collection Instructions:
1. Invert several times to mix blood.
2. Send whole blood specimen in original tube. Do not aliquot.
CMH COLLECTION: 2 mL in EDTA lavender vacutainer
Specimen Minimum Volume
See Specimen Required
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole Blood EDTA | Refrigerated | 7 days |
Useful For
Rapid testing for West Nile virus (WNV) RNA (lineage 1 and lineage 2)
An adjunctive test to serology for detection of early WNV infection (ie, first few days after symptom onset), with blood specimens potentially providing a greater sensitivity than other sources for WNV RNA detection
This test should not be used for screening asymptomatic individuals and should only be used to test patients with signs and symptoms of WNV disease.
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Day(s) Performed
Monday through Friday
Report Available
Same day/1 to 5 daysReporting Name
West Nile Virus RNA, PCR, BloodReference Values
Negative
Reference values apply to all ages.
Method Name
Real-Time Reverse Transcription Polymerase Chain Reaction (RT-PCR)
Performing Laboratory
Mayo Clinic Laboratories in Rochester
CPT Code Information
87798